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What is the slop of a line that passess through the points(1,3) and (2

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Joined: 23 Feb 2015
Posts: 859
GMAT 1: 720 Q49 V40
What is the slop of a line that passess through the points(1,3) and (2  [#permalink]

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17 Mar 2017, 18:01
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87% (00:36) correct 13% (00:56) wrong based on 81 sessions

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What is the slop of a line that passess through the point (1,3) and (2,6)?
A) 3
B) -3
C) 1/3
D) 2/3
E) 3/2

Posted from GMAT ToolKit

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Joined: 27 Jan 2017
Posts: 30
Re: What is the slop of a line that passess through the points(1,3) and (2  [#permalink]

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17 Mar 2017, 18:32
iMyself wrote:
What is the slop of a line that passess through the point (1,3) and (2,6)?
A) 3
B) -3
C) 1/3
D) 2/3
E) 3/2

Hi IMyself, I have found a relatively simple and quick approach to these type of problems.

First, you should quickly draw a coordinate plane and plot the points. Then draw a line between them. Now ask yourself how much do I have to Rise (Vertical Change) and then how much do I have to Run (Horizontal Change) to get to point B. Slope = Rise/Run.

In this case. To get from (1,3) to (2,6) You have to go up or "rise" 3 Units, and go across "run" 1 unit. Slope = 3/1 or 3 which is answer A. Just keep in mind if the line you draw is negative the slope will also be negative and vice versa for positive.

I think the official formula if you prefer to use it, is Slope = (Y2-Y1)/(X2-X1)

Hope this helps!
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Re: What is the slop of a line that passess through the points(1,3) and (2  [#permalink]

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30 Jun 2017, 14:54
What is the slop of a line that passess through the point (1,3) and (2,6)?

$$Slope = \frac{y2 - y1}{x2 - x1}$$

$$Slope = \frac{6-3}{2-1}$$

$$Slope = 3$$

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Re: What is the slop of a line that passess through the points(1,3) and (2  [#permalink]

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30 Jun 2017, 18:19
iMyself wrote:
What is the slop of a line that passess through the point (1,3) and (2,6)?
A) 3
B) -3
C) 1/3
D) 2/3
E) 3/2

Posted from GMAT ToolKit

slope=(6-3)/(2-1)
=3/1
=3
Hence, A
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Re: What is the slop of a line that passess through the points(1,3) and (2   [#permalink] 30 Jun 2017, 18:19
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